201365420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1693}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 446809440

約数和(自身を除く): 245444020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 313, 380, 626, 1252, 1565, 1693, 3130, 3386, 5947, 6260, 6772, 8465, 11894, 16930, 23788, 29735, 32167, 33860, 59470, 64334, 118940, 128668, 160835, 321670, 529909, 643340, 1059818, 2119636, 2649545, 5299090, 10068271, 10598180, 20136542, 40273084, 50341355, 100682710, 201365420]

約数ペア:

[(1, 201365420), (2, 100682710), (4, 50341355), (5, 40273084), (10, 20136542), (19, 10598180), (20, 10068271), (38, 5299090), (76, 2649545), (95, 2119636), (190, 1059818), (313, 643340), (380, 529909), (626, 321670), (1252, 160835), (1565, 128668), (1693, 118940), (3130, 64334), (3386, 59470), (5947, 33860), (6260, 32167), (6772, 29735), (8465, 23788), (11894, 16930)]